atlas-iac/services/hermes/execution-worker-networkpolicy.yaml

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: hermes-execution-worker-isolation
  namespace: hermes
spec:
  podSelector:
    matchLabels:
      app: hermes-execution-worker
  policyTypes: [Ingress, Egress]
  ingress: []
  egress:
    - to:
        - namespaceSelector:
            matchLabels: {kubernetes.io/metadata.name: kube-system}
          podSelector:
            matchLabels: {k8s-app: kube-dns}
      ports: [{protocol: UDP, port: 53}, {protocol: TCP, port: 53}]
    - to:
        - namespaceSelector:
            matchLabels: {kubernetes.io/metadata.name: vault}
          podSelector:
            matchLabels: {app: vault}
      ports: [{protocol: TCP, port: 8200}]
    - to:
        - podSelector:
            matchLabels: {app: hermes-switchyard}
      ports: [{protocol: TCP, port: 9005}]
    - to:
        - ipBlock:
            cidr: 0.0.0.0/0
            except:
              - 10.0.0.0/8
              - 100.64.0.0/10
              - 127.0.0.0/8
              - 169.254.0.0/16
              - 172.16.0.0/12
              - 192.168.0.0/16
              - 224.0.0.0/4
      ports: [{protocol: TCP, port: 443}]
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: hermes-execution-worker-mediator-0
  namespace: hermes
spec:
  podSelector:
    matchLabels:
      app: hermes-execution-worker
      apps.kubernetes.io/pod-index: "0"
  policyTypes: [Egress]
  egress:
    - to:
        - podSelector:
            matchLabels: {app: hermes-execution-mediator, pool-ordinal: "0"}
      ports: [{protocol: TCP, port: 9009}]
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: hermes-execution-worker-mediator-1
  namespace: hermes
spec:
  podSelector:
    matchLabels:
      app: hermes-execution-worker
      apps.kubernetes.io/pod-index: "1"
  policyTypes: [Egress]
  egress:
    - to:
        - podSelector:
            matchLabels: {app: hermes-execution-mediator, pool-ordinal: "1"}
      ports: [{protocol: TCP, port: 9009}]
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: hermes-execution-worker-mediator-2
  namespace: hermes
spec:
  podSelector:
    matchLabels:
      app: hermes-execution-worker
      apps.kubernetes.io/pod-index: "2"
  policyTypes: [Egress]
  egress:
    - to:
        - podSelector:
            matchLabels: {app: hermes-execution-mediator, pool-ordinal: "2"}
      ports: [{protocol: TCP, port: 9009}]
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: hermes-execution-pool-ingress
  namespace: hermes
spec:
  podSelector:
    matchLabels: {app: hermes-agent}
  policyTypes: [Ingress]
  ingress:
    - from:
        - podSelector:
            matchLabels: {app: hermes-execution-mediator}
      ports: [{protocol: TCP, port: 9007}]
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: hermes-execution-mediator-isolation
  namespace: hermes
spec:
  podSelector:
    matchLabels: {app: hermes-execution-mediator}
  policyTypes: [Ingress, Egress]
  ingress: []
  egress:
    - to:
        - namespaceSelector:
            matchLabels: {kubernetes.io/metadata.name: kube-system}
          podSelector:
            matchLabels: {k8s-app: kube-dns}
      ports: [{protocol: UDP, port: 53}, {protocol: TCP, port: 53}]
    - to:
        - namespaceSelector:
            matchLabels: {kubernetes.io/metadata.name: vault}
          podSelector:
            matchLabels: {app: vault}
      ports: [{protocol: TCP, port: 8200}]
    - to:
        - podSelector:
            matchLabels: {app: hermes-agent}
      ports: [{protocol: TCP, port: 9007}]
    - to:
        - namespaceSelector:
            matchLabels: {kubernetes.io/metadata.name: hermes-scm}
          podSelector:
            matchLabels: {app: hermes-scm-broker}
      ports: [{protocol: TCP, port: 9081}]
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: hermes-execution-mediator-worker-0
  namespace: hermes
spec:
  podSelector:
    matchLabels: {app: hermes-execution-mediator, pool-ordinal: "0"}
  policyTypes: [Ingress]
  ingress:
    - from:
        - podSelector:
            matchLabels:
              app: hermes-execution-worker
              apps.kubernetes.io/pod-index: "0"
      ports: [{protocol: TCP, port: 9009}]
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: hermes-execution-mediator-worker-1
  namespace: hermes
spec:
  podSelector:
    matchLabels: {app: hermes-execution-mediator, pool-ordinal: "1"}
  policyTypes: [Ingress]
  ingress:
    - from:
        - podSelector:
            matchLabels:
              app: hermes-execution-worker
              apps.kubernetes.io/pod-index: "1"
      ports: [{protocol: TCP, port: 9009}]
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: hermes-execution-mediator-worker-2
  namespace: hermes
spec:
  podSelector:
    matchLabels: {app: hermes-execution-mediator, pool-ordinal: "2"}
  policyTypes: [Ingress]
  ingress:
    - from:
        - podSelector:
            matchLabels:
              app: hermes-execution-worker
              apps.kubernetes.io/pod-index: "2"
      ports: [{protocol: TCP, port: 9009}]
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: hermes-execution-switchyard-ingress
  namespace: hermes
spec:
  podSelector:
    matchLabels: {app: hermes-switchyard}
  policyTypes: [Ingress]
  ingress:
    - from:
        - podSelector:
            matchLabels: {app: hermes-execution-worker}
      ports: [{protocol: TCP, port: 9005}]